Astronomy news
Astronomers discover 'tilted planets'
Dec 22, 2009 |
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(PhysOrg.com) -- University of Exeter, UK, research has added to a growing evidence that several giant planets have orbits so tilted that their orbits can be perpendicular or even backwards relative to their ...
A New Method of Estimating Stellar Distances
Dec 21, 2009 |
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
Vampires and collisions rejuvenate stars
Dec 23, 2009 |
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Stars in globular clusters are generally extremely old, with ages of 12-13 billion years. However, a small fraction of them appear to be significantly younger than the average population and, because they ...
Keck Telescopes Take Deeper Look at Planetary Nurseries
Dec 23, 2009 |
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(PhysOrg.com) -- Astronomers using the W. M. Keck Observatory have peered far into a young planetary system, giving an unprecedented view of dust and gas that might eventually form planets similar to Jupiter, ...
Brown dwarf pair mystifies astronomers
Dec 21, 2009 |
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(PhysOrg.com) -- Two brown dwarf-sized objects orbiting a giant old star show that planets may assemble around stars more quickly and efficiently than anyone thought possible, according to an international ...
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